Chirp, a so-called "social screensaver," has launched to the usual barrage of press. How could a company stocked with such brilliant founders — CEO Eve Phillips has a masters degree from MIT and an MBA from Stanford — have come up with such a brain-dead business model? Screensavers have been technologically outmoded for a decade or more, and they waste electricity. As more computer users switch to laptops, and close up the lid when the computer's not in use, do they have much of a future?